.
/**
* Section links block
*
* @package moodlecore
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class block_section_links extends block_base {
function init() {
$this->title = get_string('pluginname', 'block_section_links');
}
function instance_config($instance) {
global $DB;
parent::instance_config($instance);
$course = $this->page->course;
if (isset($course->format)) {
if ($course->format == 'topics') {
$this->title = get_string('topics', 'block_section_links');
} else if ($course->format == 'weeks') {
$this->title = get_string('weeks', 'block_section_links');
} else {
$this->title = get_string('pluginname', 'block_section_links');
}
}
}
function applicable_formats() {
return (array('course-view-weeks' => true, 'course-view-topics' => true));
}
function get_content() {
global $CFG, $USER, $DB;
$highlight = 0;
if(isset($this->config)){
$config = $this->config;
} else{
// TODO: Move these config settings to proper ones using component name
$config = get_config('blocks/section_links');
}
if ($this->content !== NULL) {
return $this->content;
}
$this->content = new stdClass;
$this->content->footer = '';
$this->content->text = '';
if (empty($this->instance)) {
return $this->content;
}
$course = $this->page->course;
$context = get_context_instance(CONTEXT_COURSE, $course->id);
if ($course->format == 'weeks' or $course->format == 'weekscss') {
$highlight = ceil((time()-$course->startdate)/604800);
$linktext = get_string('jumptocurrentweek', 'block_section_links');
$sectionname = 'week';
}
else if ($course->format == 'topics') {
$highlight = $course->marker;
$linktext = get_string('jumptocurrenttopic', 'block_section_links');
$sectionname = 'topic';
}
$inc = 1;
if(!empty($config->numsections1) and ($course->numsections > $config->numsections1)) {
$inc = $config->incby1;
} else {
if ($course->numsections > 22) {
$inc = 2;
}
}
if(!empty($config->numsections2) and ($course->numsections > $config->numsections2)) {
$inc = $config->incby2;
} else {
if ($course->numsections > 40) {
$inc = 5;
}
}
if (isloggedin()) {
$display = $DB->get_field('course_display', 'display', array('course'=>$this->page->course->id, 'userid'=>$USER->id));
}
if (!empty($display)) {
$link = $CFG->wwwroot.'/course/view.php?id='.$this->page->course->id.'&'.$sectionname.'=';
} else {
$link = '#section-';
}
$sql = "SELECT section, visible
FROM {course_sections}
WHERE course = ? AND
section < ".($course->numsections+1)."
ORDER BY section";
if ($sections = $DB->get_records_sql($sql, array($course->id))) {
$text = '';
for ($i = $inc; $i <= $course->numsections; $i += $inc) {
if (!isset($sections[$i])) {
continue;
}
$isvisible = $sections[$i]->visible;
if (!$isvisible and !has_capability('moodle/course:update', $context)) {
continue;
}
$style = ($isvisible) ? '' : ' class="dimmed"';
if ($i == $highlight) {
$text .= "- $i
\n";
} else {
$text .= "- $i
\n";
}
}
$text .= '
';
if ($highlight and isset($sections[$highlight])) {
$isvisible = $sections[$highlight]->visible;
if ($isvisible or has_capability('moodle/course:update', $context)) {
$style = ($isvisible) ? '' : ' class="dimmed"';
$text .= "\n$linktext";
}
}
}
$this->content->text = $text;
return $this->content;
}
/**
* Has instance config
* @return boolean
**/
function instance_allow_config() {
return true;
}
function before_delete() {
global $DB;
// TODO: Move these config settings to proper ones using component name
$DB->delete_records('config_plugins', array('plugin' => 'blocks/section_links'));
}
function has_config() {
return true;
}
}